16 – Obstruction
17 – Turns
18 – Co - Existence
19 – Route
20 – Alcohol and Drugs
21 – Entry Into Traffic
22 – Motorway
23 – Visibility
24 – Αdhesion
25 – Mountain
26 – Τiredness
27 – Accident
28 – Maintenance
29 – Emergency
30 – Rules
31 – Environment
32 – Ecology
